Base | Representation |
---|---|
bin | 1100101000111101… |
… | …01110000110000110 |
3 | 122111221010222100120 |
4 | 12110132232012012 |
5 | 102344212022030 |
6 | 3041212322410 |
7 | 330110313432 |
oct | 62436560606 |
9 | 18457128316 |
10 | 6786048390 |
11 | 2972602660 |
12 | 1394773406 |
13 | 841ba5564 |
14 | 4853859c2 |
15 | 29ab56010 |
hex | 1947ae186 |
6786048390 has 64 divisors (see below), whose sum is σ = 17795296512. Its totient is φ = 1642492800.
The previous prime is 6786048383. The next prime is 6786048403. The reversal of 6786048390 is 938406876.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196200 + ... + 228180.
It is an arithmetic number, because the mean of its divisors is an integer number (278051508).
Almost surely, 26786048390 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6786048390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8897648256).
6786048390 is an abundant number, since it is smaller than the sum of its proper divisors (11009248122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6786048390 is a wasteful number, since it uses less digits than its factorization.
6786048390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32645.
The product of its (nonzero) digits is 1741824, while the sum is 51.
The square root of 6786048390 is about 82377.4750159290. The cubic root of 6786048390 is about 1893.2399091047.
The spelling of 6786048390 in words is "six billion, seven hundred eighty-six million, forty-eight thousand, three hundred ninety".
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